package com.wellgoon.test.vo;

import java.util.Scanner;

public class AB1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        try{
            while(sc.hasNextInt()){
                int a = sc.nextInt();
                int b = sc.nextInt();
                int sum = a+b;
                System.out.println(sum);
            }
        }catch(Exception e){
            System.err.println("error:" + e.getMessage());
        }finally{
            sc.close();
        }
    }
}
